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Your phone could last almost a week with a new technology from a British company, allowing your phone to be recharged once a week through an internal hydrogen-fuel cell.

According to the Telegraph, a British technology company has claimed a first in the ever evolving and rapidly expanding world of cell phone technology. The company announced that it successfully built an iPhone 6 prototype that runs off of a built in hydrogen fuel cell instead of a traditional lithium ion rechargeable battery.

The phone, which looks exactly like a normal iPhone except for tiny vents on the back that allow the release of water vapor, also includes a re-chargeable battery but primarily relies on the hydrogen cell to generate the energy to run the phone.

Hydrogen fuel cells create energy by combining hydrogen and oxygen inside of the cell, with the only by-product being water.

With the abundance of hydrogen, being the most common and abundant molecule to exist, the technology only has to rely on the correct application of the hydrogen to a negative annode, which is an electrode through which an electrical current flows, in order to release electrons. These released electrons flow through to a positive cathode, which is another electrode, in order to create electricity. After moving the hydrogen, it becomes a hydrogen ion that bonds with oxygen after moving to a positive cathode, which creates the water.

Already the company has over 2,000 patents related to fuel cells, including the portable charger named The Upp, a mini-hydrogen fuel cell USB charger for portable devices, such as tablets, cell-phones, and other portable technology.

Though the prototype has been created, the technology and the usage for cell phones world wide are still years away from being commercial.